How vending machines identify fake coins

https://www.reddit.com/r/gifs/comments/6iopao/who_made_this_mess/ origin - http://www.pipiscrew.com/2017/06/who-made-this-mess/ who-made-this-mess

https://www.reddit.com/r/gifs/comments/6ixiyi/road_rage_accident/ origin - http://www.pipiscrew.com/2017/06/road-rage-accident/ road-rage-accident

http://mashable.com/2017/06/22/kangaroo-baby-bottle-cute/ origin - http://www.pipiscrew.com/2017/06/these-rescue-kangaroos-are-so-excited-for-their-midday-snack/ these-rescue-kangaroos-are-so-exci...